2 * \file InsetMathNest.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathNest.h"
15 #include "InsetMathArray.h"
16 #include "InsetMathBig.h"
17 #include "InsetMathBox.h"
18 #include "InsetMathBrace.h"
19 #include "InsetMathColor.h"
20 #include "InsetMathComment.h"
21 #include "InsetMathDelim.h"
22 #include "InsetMathHull.h"
23 //#include "InsetMathMBox.h"
24 #include "InsetMathRef.h"
25 #include "InsetMathScript.h"
26 #include "InsetMathSpace.h"
27 #include "InsetMathSymbol.h"
28 #include "InsetMathUnknown.h"
30 #include "MathFactory.h"
31 #include "MathMacroArgument.h"
32 #include "MathParser.h"
33 #include "MathStream.h"
34 #include "MathSupport.h"
36 #include "bufferview_funcs.h"
37 #include "BufferView.h"
39 #include "CoordCache.h"
41 #include "CutAndPaste.h"
43 #include "DispatchResult.h"
44 #include "FuncRequest.h"
45 #include "FuncStatus.h"
48 #include "OutputParams.h"
51 #include "support/lstrings.h"
52 #include "support/textutils.h"
54 #include "frontends/Clipboard.h"
55 #include "frontends/Painter.h"
56 #include "frontends/Selection.h"
58 #include "FuncRequest.h"
65 using cap::copySelection;
66 using cap::grabAndEraseSelection;
67 using cap::cutSelection;
68 using cap::replaceSelection;
69 using cap::selClearOrDel;
73 using std::istringstream;
76 InsetMathNest::InsetMathNest(idx_type nargs)
77 : cells_(nargs), lock_(false), mouse_hover_(false)
81 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
82 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
87 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
89 cells_ = inset.cells_;
92 InsetMath::operator=(inset);
97 InsetMath::idx_type InsetMathNest::nargs() const
103 void InsetMathNest::cursorPos(BufferView const & bv,
104 CursorSlice const & sl, bool /*boundary*/,
105 int & x, int & y) const
107 // FIXME: This is a hack. Ideally, the coord cache should not store
108 // absolute positions, but relative ones. This would mean to call
109 // setXY() not in MathData::draw(), but in the parent insets' draw()
110 // with the correctly adjusted x,y values. But this means that we'd have
111 // to touch all (math)inset's draw() methods. Right now, we'll store
112 // absolute value, and make them here relative, only to make them
113 // absolute again when actually drawing the cursor. What a mess.
114 BOOST_ASSERT(ptr_cmp(&sl.inset(), this));
115 MathData const & ar = sl.cell();
116 CoordCache const & coord_cache = bv.coordCache();
117 if (!coord_cache.getArrays().has(&ar)) {
118 // this can (semi-)legally happen if we just created this cell
119 // and it never has been drawn before. So don't ASSERT.
120 //lyxerr << "no cached data for array " << &ar << endl;
125 Point const pt = coord_cache.getArrays().xy(&ar);
126 if (!coord_cache.getInsets().has(this)) {
128 //lyxerr << "no cached data for inset " << this << endl;
133 Point const pt2 = coord_cache.getInsets().xy(this);
134 //lyxerr << "retrieving position cache for MathData "
135 // << pt.x_ << ' ' << pt.y_ << std::endl;
136 x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
138 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
139 // << " asc: " << ascent() << " des: " << descent()
140 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
141 // move cursor visually into empty cells ("blue rectangles");
147 void InsetMathNest::metrics(MetricsInfo const & mi) const
150 for (idx_type i = 0, n = nargs(); i != n; ++i)
155 bool InsetMathNest::idxNext(Cursor & cur) const
157 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
158 if (cur.idx() == cur.lastidx())
166 bool InsetMathNest::idxRight(Cursor & cur) const
172 bool InsetMathNest::idxPrev(Cursor & cur) const
174 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
178 cur.pos() = cur.lastpos();
183 bool InsetMathNest::idxLeft(Cursor & cur) const
189 bool InsetMathNest::idxFirst(Cursor & cur) const
191 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
200 bool InsetMathNest::idxLast(Cursor & cur) const
202 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
205 cur.idx() = cur.lastidx();
206 cur.pos() = cur.lastpos();
211 void InsetMathNest::dump() const
213 odocstringstream oss;
215 os << "---------------------------------------------\n";
218 for (idx_type i = 0, n = nargs(); i != n; ++i)
219 os << cell(i) << "\n";
220 os << "---------------------------------------------\n";
221 lyxerr << to_utf8(oss.str());
225 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
229 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
232 setPosCache(pi, x, y);
236 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
238 BufferView & bv = *pi.base.bv;
239 // this should use the x/y values given, not the cached values
240 Cursor & cur = bv.cursor();
241 if (!cur.selection())
243 if (!ptr_cmp(&cur.inset(), this))
246 // FIXME: hack to get position cache warm
247 pi.pain.setDrawingEnabled(false);
249 pi.pain.setDrawingEnabled(true);
251 CursorSlice s1 = cur.selBegin();
252 CursorSlice s2 = cur.selEnd();
254 //lyxerr << "InsetMathNest::drawing selection: "
255 // << " s1: " << s1 << " s2: " << s2 << endl;
256 if (s1.idx() == s2.idx()) {
257 MathData const & c = cell(s1.idx());
258 int x1 = c.xo(bv) + c.pos2x(s1.pos());
259 int y1 = c.yo(bv) - c.ascent();
260 int x2 = c.xo(bv) + c.pos2x(s2.pos());
261 int y2 = c.yo(bv) + c.descent();
262 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color::selection);
263 //lyxerr << "InsetMathNest::drawing selection 3: "
264 // << " x1: " << x1 << " x2: " << x2
265 // << " y1: " << y1 << " y2: " << y2 << endl;
267 for (idx_type i = 0; i < nargs(); ++i) {
268 if (idxBetween(i, s1.idx(), s2.idx())) {
269 MathData const & c = cell(i);
271 int y1 = c.yo(bv) - c.ascent();
272 int x2 = c.xo(bv) + c.width();
273 int y2 = c.yo(bv) + c.descent();
274 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color::selection);
281 void InsetMathNest::validate(LaTeXFeatures & features) const
283 for (idx_type i = 0; i < nargs(); ++i)
284 cell(i).validate(features);
288 void InsetMathNest::replace(ReplaceData & rep)
290 for (idx_type i = 0; i < nargs(); ++i)
291 cell(i).replace(rep);
295 bool InsetMathNest::contains(MathData const & ar) const
297 for (idx_type i = 0; i < nargs(); ++i)
298 if (cell(i).contains(ar))
304 bool InsetMathNest::lock() const
310 void InsetMathNest::lock(bool l)
316 bool InsetMathNest::isActive() const
322 MathData InsetMathNest::glue() const
325 for (size_t i = 0; i < nargs(); ++i)
331 void InsetMathNest::write(WriteStream & os) const
333 os << '\\' << name().c_str();
334 for (size_t i = 0; i < nargs(); ++i)
335 os << '{' << cell(i) << '}';
337 os.pendingSpace(true);
338 if (lock_ && !os.latex()) {
340 os.pendingSpace(true);
345 void InsetMathNest::normalize(NormalStream & os) const
347 os << '[' << name().c_str();
348 for (size_t i = 0; i < nargs(); ++i)
349 os << ' ' << cell(i);
354 int InsetMathNest::latex(Buffer const &, odocstream & os,
355 OutputParams const & runparams) const
357 WriteStream wi(os, runparams.moving_arg, true);
363 bool InsetMathNest::setMouseHover(bool mouse_hover)
365 mouse_hover_ = mouse_hover;
370 bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
374 MathData & ar = cur.cell();
375 // remove base-only "scripts"
376 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
377 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
378 if (p && p->nargs() == 1) {
379 MathData ar = p->nuc();
382 cur.adjust(i, ar.size() - 1);
386 // glue adjacent font insets of the same kind
387 for (pos_type i = 0; i + 1 < size(); ++i) {
388 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
389 InsetMathFont const * q = operator[](i + 1)->asFontInset();
390 if (p && q && p->name() == q->name()) {
391 p->cell(0).append(q->cell(0));
401 void InsetMathNest::handleFont
402 (Cursor & cur, docstring const & arg, char const * const font)
404 handleFont(cur, arg, from_ascii(font));
408 void InsetMathNest::handleFont
409 (Cursor & cur, docstring const & arg, docstring const & font)
411 // this whole function is a hack and won't work for incremental font
414 if (cur.inset().asInsetMath()->name() == font) {
415 recordUndoInset(cur, Undo::ATOMIC);
416 cur.handleFont(to_utf8(font));
418 recordUndo(cur, Undo::ATOMIC);
419 cur.handleNest(createInsetMath(font));
425 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
427 recordUndo(cur, Undo::ATOMIC);
430 bv_funcs::string2font(to_utf8(arg), font, b);
431 if (font.color() != Color::inherit) {
432 MathAtom at = MathAtom(new InsetMathColor(true, font.color()));
433 cur.handleNest(at, 0);
438 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
440 //lyxerr << "InsetMathNest: request: " << cmd << std::endl;
441 //CursorSlice sl = cur.current();
443 switch (cmd.action) {
447 cur.message(_("Paste"));
448 replaceSelection(cur);
450 if (cmd.argument().empty() && !theClipboard().isInternal())
451 topaste = theClipboard().getAsText();
454 idocstringstream is(cmd.argument());
456 topaste = cap::getSelection(cur.buffer(), n);
458 cur.niceInsert(topaste);
459 cur.clearSelection(); // bug 393
466 cutSelection(cur, true, true);
467 cur.message(_("Cut"));
468 // Prevent stale position >= size crash
469 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
475 cur.message(_("Copy"));
478 case LFUN_MOUSE_PRESS:
479 lfunMousePress(cur, cmd);
482 case LFUN_MOUSE_MOTION:
483 lfunMouseMotion(cur, cmd);
486 case LFUN_MOUSE_RELEASE:
487 lfunMouseRelease(cur, cmd);
490 case LFUN_FINISHED_LEFT:
491 cur.bv().cursor() = cur;
494 case LFUN_FINISHED_RIGHT:
496 cur.bv().cursor() = cur;
499 case LFUN_CHAR_FORWARD:
500 cur.updateFlags(Update::Decoration | Update::FitCursor);
501 case LFUN_CHAR_FORWARD_SELECT:
502 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
503 cur.autocorrect() = false;
505 cur.macroModeClose();
506 if (reverseDirectionNeeded(cur))
507 goto goto_char_backwards;
510 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
511 cur.pushLeft(*cur.nextAtom().nucleus());
512 cur.inset().idxFirst(cur);
513 } else if (cur.posRight() || idxRight(cur)
514 || cur.popRight() || cur.selection())
517 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
522 case LFUN_CHAR_BACKWARD:
523 cur.updateFlags(Update::Decoration | Update::FitCursor);
524 case LFUN_CHAR_BACKWARD_SELECT:
525 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
526 cur.autocorrect() = false;
528 cur.macroModeClose();
529 if (reverseDirectionNeeded(cur))
530 goto goto_char_forwards;
533 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
535 cur.push(*cur.nextAtom().nucleus());
536 cur.inset().idxLast(cur);
537 } else if (cur.posLeft() || idxLeft(cur)
538 || cur.popLeft() || cur.selection())
541 cmd = FuncRequest(LFUN_FINISHED_LEFT);
548 cur.updateFlags(Update::Decoration | Update::FitCursor);
549 case LFUN_DOWN_SELECT:
550 case LFUN_UP_SELECT: {
551 // close active macro
552 if (cur.inMacroMode()) {
553 cur.macroModeClose();
557 // stop/start the selection
558 bool select = cmd.action == LFUN_DOWN_SELECT ||
559 cmd.action == LFUN_UP_SELECT;
560 cur.selHandle(select);
563 bool up = cmd.action == LFUN_UP || cmd.action == LFUN_UP_SELECT;
564 bool successful = cur.upDownInMath(up);
566 // notify left insets and give them chance to set update flags
567 lyx::notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
572 if (cur.fixIfBroken())
573 // FIXME: Something bad happened. We pass the corrected Cursor
574 // instead of letting things go worse.
577 // We did not manage to move the cursor.
582 case LFUN_MOUSE_DOUBLE:
583 case LFUN_MOUSE_TRIPLE:
584 case LFUN_WORD_SELECT:
588 cur.selection() = true;
589 cur.pos() = cur.lastpos();
590 cur.idx() = cur.lastidx();
593 case LFUN_PARAGRAPH_UP:
594 case LFUN_PARAGRAPH_DOWN:
595 cur.updateFlags(Update::Decoration | Update::FitCursor);
596 case LFUN_PARAGRAPH_UP_SELECT:
597 case LFUN_PARAGRAPH_DOWN_SELECT:
600 case LFUN_LINE_BEGIN:
601 case LFUN_WORD_BACKWARD:
602 cur.updateFlags(Update::Decoration | Update::FitCursor);
603 case LFUN_LINE_BEGIN_SELECT:
604 case LFUN_WORD_BACKWARD_SELECT:
605 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
606 cmd.action == LFUN_LINE_BEGIN_SELECT);
607 cur.macroModeClose();
608 if (cur.pos() != 0) {
610 } else if (cur.col() != 0) {
611 cur.idx() -= cur.col();
613 } else if (cur.idx() != 0) {
617 cmd = FuncRequest(LFUN_FINISHED_LEFT);
622 case LFUN_WORD_FORWARD:
624 cur.updateFlags(Update::Decoration | Update::FitCursor);
625 case LFUN_WORD_FORWARD_SELECT:
626 case LFUN_LINE_END_SELECT:
627 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
628 cmd.action == LFUN_LINE_END_SELECT);
629 cur.macroModeClose();
631 if (cur.pos() != cur.lastpos()) {
632 cur.pos() = cur.lastpos();
633 } else if (ncols() && (cur.col() != cur.lastcol())) {
634 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
635 cur.pos() = cur.lastpos();
636 } else if (cur.idx() != cur.lastidx()) {
637 cur.idx() = cur.lastidx();
638 cur.pos() = cur.lastpos();
640 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
645 case LFUN_SCREEN_UP_SELECT:
646 cmd = FuncRequest(LFUN_FINISHED_LEFT);
650 case LFUN_SCREEN_DOWN_SELECT:
651 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
655 case LFUN_CELL_FORWARD:
656 cur.updateFlags(Update::Decoration | Update::FitCursor);
657 cur.inset().idxNext(cur);
660 case LFUN_CELL_BACKWARD:
661 cur.updateFlags(Update::Decoration | Update::FitCursor);
662 cur.inset().idxPrev(cur);
665 case LFUN_WORD_DELETE_BACKWARD:
666 case LFUN_CHAR_DELETE_BACKWARD:
668 // May affect external cell:
669 recordUndoInset(cur, Undo::ATOMIC);
671 recordUndo(cur, Undo::ATOMIC);
672 // if the inset can not be removed from within, delete it
673 if (!cur.backspace()) {
674 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
675 cur.innerText()->dispatch(cur, cmd);
679 case LFUN_WORD_DELETE_FORWARD:
680 case LFUN_CHAR_DELETE_FORWARD:
681 if (cur.pos() == cur.lastpos())
682 // May affect external cell:
683 recordUndoInset(cur, Undo::ATOMIC);
685 recordUndo(cur, Undo::ATOMIC);
686 // if the inset can not be removed from within, delete it
688 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
689 cur.innerText()->dispatch(cur, cmd);
695 cur.clearSelection();
697 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
702 case LFUN_INSET_TOGGLE:
708 case LFUN_SELF_INSERT:
709 if (cmd.argument().size() != 1) {
711 docstring const arg = cmd.argument();
712 if (!interpretString(cur, arg))
716 // Don't record undo steps if we are in macro mode and
717 // cmd.argument is the next character of the macro name.
718 // Otherwise we'll get an invalid cursor if we undo after
719 // the macro was finished and the macro is a known command,
720 // e.g. sqrt. Cursor::macroModeClose replaces in this case
721 // the InsetMathUnknown with name "frac" by an empty
722 // InsetMathFrac -> a pos value > 0 is invalid.
723 // A side effect is that an undo before the macro is finished
724 // undoes the complete macro, not only the last character.
725 if (!cur.inMacroMode())
728 // spacial handling of space. If we insert an inset
729 // via macro mode, we want to put the cursor inside it
730 // if relevant. Think typing "\frac<space>".
731 if (cmd.argument()[0] == ' '
732 && cur.inMacroMode() && cur.macroName() != "\\"
733 && cur.macroModeClose()) {
734 MathAtom const atom = cur.prevAtom();
735 if (atom->asNestInset() && atom->isActive()) {
737 cur.pushLeft(*cur.nextInset());
739 } else if (!interpretChar(cur, cmd.argument()[0])) {
740 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
745 //case LFUN_SERVER_GET_XY:
746 // sprintf(dispatch_buffer, "%d %d",);
749 case LFUN_SERVER_SET_XY: {
750 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
753 istringstream is(to_utf8(cmd.argument()));
755 cur.setScreenPos(x, y);
759 // Special casing for superscript in case of LyX handling
761 case LFUN_ACCENT_CIRCUMFLEX:
762 if (cmd.argument().empty()) {
763 // do superscript if LyX handles
765 recordUndo(cur, Undo::ATOMIC);
766 script(cur, true, grabAndEraseSelection(cur));
770 case LFUN_ACCENT_UMLAUT:
771 case LFUN_ACCENT_ACUTE:
772 case LFUN_ACCENT_GRAVE:
773 case LFUN_ACCENT_BREVE:
774 case LFUN_ACCENT_DOT:
775 case LFUN_ACCENT_MACRON:
776 case LFUN_ACCENT_CARON:
777 case LFUN_ACCENT_TILDE:
778 case LFUN_ACCENT_CEDILLA:
779 case LFUN_ACCENT_CIRCLE:
780 case LFUN_ACCENT_UNDERDOT:
781 case LFUN_ACCENT_TIE:
782 case LFUN_ACCENT_OGONEK:
783 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
787 case LFUN_FONT_FREE_APPLY:
788 case LFUN_FONT_FREE_UPDATE:
789 handleFont2(cur, cmd.argument());
793 if (currentMode() == TEXT_MODE)
794 handleFont(cur, cmd.argument(), "textbf");
796 handleFont(cur, cmd.argument(), "mathbf");
799 if (currentMode() == TEXT_MODE)
800 handleFont(cur, cmd.argument(), "textsf");
802 handleFont(cur, cmd.argument(), "mathsf");
805 if (currentMode() == TEXT_MODE)
806 handleFont(cur, cmd.argument(), "emph");
808 handleFont(cur, cmd.argument(), "mathcal");
810 case LFUN_FONT_ROMAN:
811 if (currentMode() == TEXT_MODE)
812 handleFont(cur, cmd.argument(), "textrm");
814 handleFont(cur, cmd.argument(), "mathrm");
816 case LFUN_FONT_TYPEWRITER:
817 if (currentMode() == TEXT_MODE)
818 handleFont(cur, cmd.argument(), "texttt");
820 handleFont(cur, cmd.argument(), "mathtt");
823 handleFont(cur, cmd.argument(), "mathfrak");
826 if (currentMode() == TEXT_MODE)
827 handleFont(cur, cmd.argument(), "textit");
829 handleFont(cur, cmd.argument(), "mathit");
832 if (currentMode() == TEXT_MODE)
833 // FIXME: should be "noun"
834 handleFont(cur, cmd.argument(), "textsc");
836 handleFont(cur, cmd.argument(), "mathbb");
839 case LFUN_FONT_FREE_APPLY:
840 handleFont(cur, cmd.argument(), "textrm");
843 case LFUN_FONT_DEFAULT:
844 handleFont(cur, cmd.argument(), "textnormal");
847 case LFUN_MATH_MODE: {
849 // ignore math-mode on when already in math mode
850 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
852 cur.macroModeClose();
853 docstring const save_selection = grabAndEraseSelection(cur);
855 //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
856 cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
858 cur.pushLeft(*cur.nextInset());
859 cur.niceInsert(save_selection);
861 if (currentMode() == Inset::TEXT_MODE) {
862 cur.niceInsert(MathAtom(new InsetMathHull("simple")));
863 cur.message(_("create new math text environment ($...$)"));
865 handleFont(cur, cmd.argument(), "textrm");
866 cur.message(_("entered math text mode (textrm)"));
879 case LFUN_MATH_MATRIX: {
880 recordUndo(cur, Undo::ATOMIC);
885 idocstringstream is(cmd.argument());
886 is >> m >> n >> v_align >> h_align;
893 MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
897 case LFUN_MATH_DELIM: {
899 docstring rs = support::split(cmd.argument(), ls, ' ');
900 // Reasonable default values
905 recordUndo(cur, Undo::ATOMIC);
906 cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
910 case LFUN_MATH_BIGDELIM: {
911 docstring const lname = from_utf8(cmd.getArg(0));
912 docstring const ldelim = from_utf8(cmd.getArg(1));
913 docstring const rname = from_utf8(cmd.getArg(2));
914 docstring const rdelim = from_utf8(cmd.getArg(3));
915 latexkeys const * l = in_word_set(lname);
916 bool const have_l = l && l->inset == "big" &&
917 InsetMathBig::isBigInsetDelim(ldelim);
918 l = in_word_set(rname);
919 bool const have_r = l && l->inset == "big" &&
920 InsetMathBig::isBigInsetDelim(rdelim);
921 // We mimic LFUN_MATH_DELIM in case we have an empty left
922 // or right delimiter.
923 if (have_l || have_r) {
924 recordUndo(cur, Undo::ATOMIC);
925 docstring const selection = grabAndEraseSelection(cur);
928 cur.insert(MathAtom(new InsetMathBig(lname,
930 cur.niceInsert(selection);
932 cur.insert(MathAtom(new InsetMathBig(rname,
935 // Don't call cur.undispatched() if we did nothing, this would
936 // lead to infinite recursion via Text::dispatch().
940 case LFUN_SPACE_INSERT:
941 case LFUN_MATH_SPACE:
942 recordUndo(cur, Undo::ATOMIC);
943 cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
946 case LFUN_ERT_INSERT:
947 // interpret this as if a backslash was typed
948 recordUndo(cur, Undo::ATOMIC);
949 interpretChar(cur, '\\');
952 case LFUN_MATH_SUBSCRIPT:
953 // interpret this as if a _ was typed
954 recordUndo(cur, Undo::ATOMIC);
955 interpretChar(cur, '_');
958 case LFUN_MATH_SUPERSCRIPT:
959 // interpret this as if a ^ was typed
960 recordUndo(cur, Undo::ATOMIC);
961 interpretChar(cur, '^');
964 case LFUN_QUOTE_INSERT:
965 // interpret this as if a straight " was typed
966 recordUndo(cur, Undo::ATOMIC);
967 interpretChar(cur, '\"');
970 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
971 // handling such that "self-insert" works on "arbitrary stuff" too, and
972 // math-insert only handles special math things like "matrix".
973 case LFUN_MATH_INSERT: {
974 recordUndo(cur, Undo::ATOMIC);
975 if (cmd.argument() == "^" || cmd.argument() == "_") {
976 interpretChar(cur, cmd.argument()[0]);
978 cur.niceInsert(cmd.argument());
982 case LFUN_DIALOG_SHOW_NEW_INSET: {
983 docstring const & name = cmd.argument();
986 InsetMathRef tmp(name);
987 data = tmp.createDialogStr(to_utf8(name));
989 cur.bv().showInsetDialog(to_utf8(name), data, 0);
993 case LFUN_INSET_INSERT: {
995 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1004 InsetMath::doDispatch(cur, cmd);
1010 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1011 FuncStatus & flag) const
1013 // the font related toggles
1014 //string tc = "mathnormal";
1016 string const arg = to_utf8(cmd.argument());
1017 switch (cmd.action) {
1018 case LFUN_TABULAR_FEATURE:
1019 flag.enabled(false);
1022 case LFUN_TABULAR_FEATURE:
1023 // FIXME: check temporarily disabled
1025 char align = mathcursor::valign();
1026 if (align == '\0') {
1030 if (cmd.argument().empty()) {
1034 if (!contains("tcb", cmd.argument()[0])) {
1038 flag.setOnOff(cmd.argument()[0] == align);
1041 /// We have to handle them since 1.4 blocks all unhandled actions
1042 case LFUN_FONT_ITAL:
1043 case LFUN_FONT_BOLD:
1044 case LFUN_FONT_SANS:
1045 case LFUN_FONT_EMPH:
1046 case LFUN_FONT_TYPEWRITER:
1047 case LFUN_FONT_NOUN:
1048 case LFUN_FONT_ROMAN:
1049 case LFUN_FONT_DEFAULT:
1052 case LFUN_MATH_MUTATE:
1053 //flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(cmd.argument()));
1054 flag.setOnOff(false);
1057 // we just need to be in math mode to enable that
1058 case LFUN_MATH_SIZE:
1059 case LFUN_MATH_SPACE:
1060 case LFUN_MATH_LIMITS:
1061 case LFUN_MATH_NONUMBER:
1062 case LFUN_MATH_NUMBER:
1063 case LFUN_MATH_EXTERN:
1067 case LFUN_FONT_FRAK:
1068 flag.enabled(currentMode() != TEXT_MODE);
1071 case LFUN_MATH_INSERT: {
1072 bool const textarg =
1073 arg == "\\textbf" || arg == "\\textsf" ||
1074 arg == "\\textrm" || arg == "\\textmd" ||
1075 arg == "\\textit" || arg == "\\textsc" ||
1076 arg == "\\textsl" || arg == "\\textup" ||
1077 arg == "\\texttt" || arg == "\\textbb" ||
1078 arg == "\\textnormal";
1079 flag.enabled(currentMode() != TEXT_MODE || textarg);
1083 case LFUN_MATH_MATRIX:
1084 flag.enabled(currentMode() == MATH_MODE);
1087 case LFUN_INSET_INSERT: {
1088 // Don't test createMathInset_fromDialogStr(), since
1089 // getStatus is not called with a valid reference and the
1090 // dialog would not be applyable.
1091 string const name = cmd.getArg(0);
1092 flag.enabled(name == "ref");
1096 case LFUN_MATH_DELIM:
1097 case LFUN_MATH_BIGDELIM:
1098 // Don't do this with multi-cell selections
1099 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1102 case LFUN_HYPHENATION_POINT_INSERT:
1103 case LFUN_LIGATURE_BREAK_INSERT:
1104 case LFUN_MENU_SEPARATOR_INSERT:
1105 case LFUN_DOTS_INSERT:
1106 case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1107 // FIXME: These would probably make sense in math-text mode
1108 flag.enabled(false);
1119 void InsetMathNest::edit(Cursor & cur, bool left)
1122 cur.idx() = left ? 0 : cur.lastidx();
1123 cur.pos() = left ? 0 : cur.lastpos();
1125 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1129 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1132 int dist_min = 1000000;
1133 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1134 int const d = cell(i).dist(cur.bv(), x, y);
1140 MathData & ar = cell(idx_min);
1142 cur.idx() = idx_min;
1143 cur.pos() = ar.x2pos(x - ar.xo(cur.bv()));
1145 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1146 if (dist_min == 0) {
1148 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1149 if (ar[i]->covers(cur.bv(), x, y))
1150 return ar[i].nucleus()->editXY(cur, x, y);
1156 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1158 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1159 BufferView & bv = cur.bv();
1160 bv.mouseSetCursor(cur);
1161 if (cmd.button() == mouse_button::button1) {
1162 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1163 // Update the cursor update flags as needed:
1165 // Update::Decoration: tells to update the decoration
1166 // (visual box corners that define
1168 // Update::FitCursor: adjust the screen to the cursor
1169 // position if needed
1170 // cur.result().update(): don't overwrite previously set flags.
1171 cur.updateFlags(Update::Decoration | Update::FitCursor
1172 | cur.result().update());
1173 } else if (cmd.button() == mouse_button::button2) {
1174 if (cap::selection()) {
1175 // See comment in Text::dispatch why we do this
1176 cap::copySelectionToStack();
1177 cmd = FuncRequest(LFUN_PASTE, "0");
1178 doDispatch(bv.cursor(), cmd);
1181 asArray(theSelection().get(), ar);
1182 bv.cursor().insert(ar);
1188 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1190 // only select with button 1
1191 if (cmd.button() == mouse_button::button1) {
1192 Cursor & bvcur = cur.bv().cursor();
1193 if (bvcur.anchor_.hasPart(cur)) {
1194 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1195 bvcur.setCursor(cur);
1196 bvcur.selection() = true;
1197 //lyxerr << "MOTION " << bvcur << endl;
1204 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1206 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1208 if (cmd.button() == mouse_button::button1) {
1209 if (!cur.selection())
1212 Cursor & bvcur = cur.bv().cursor();
1213 bvcur.selection() = true;
1222 bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
1224 //lyxerr << "interpret 2: '" << c << "'" << endl;
1225 docstring save_selection;
1226 if (c == '^' || c == '_')
1227 save_selection = grabAndEraseSelection(cur);
1232 if (cur.inMacroMode()) {
1233 docstring name = cur.macroName();
1235 /// are we currently typing '#1' or '#2' or...?
1236 if (name == "\\#") {
1239 if (n >= 1 && n <= 9)
1240 cur.insert(new MathMacroArgument(n));
1244 if (isAlphaASCII(c)) {
1245 cur.activeMacro()->setName(name + docstring(1, c));
1249 // handle 'special char' macros
1254 if (currentMode() == InsetMath::TEXT_MODE)
1255 cur.niceInsert(createInsetMath("textbackslash"));
1257 cur.niceInsert(createInsetMath("backslash"));
1258 } else if (c == '{') {
1260 cur.niceInsert(MathAtom(new InsetMathBrace));
1261 } else if (c == '%') {
1263 cur.niceInsert(MathAtom(new InsetMathComment));
1264 } else if (c == '#') {
1265 BOOST_ASSERT(cur.activeMacro());
1266 cur.activeMacro()->setName(name + docstring(1, c));
1269 cur.niceInsert(createInsetMath(docstring(1, c)));
1274 // One character big delimiters. The others are handled in
1275 // interpretString().
1276 latexkeys const * l = in_word_set(name.substr(1));
1277 if (name[0] == '\\' && l && l->inset == "big") {
1281 delim = from_ascii("\\{");
1284 delim = from_ascii("\\}");
1287 delim = docstring(1, c);
1290 if (InsetMathBig::isBigInsetDelim(delim)) {
1291 // name + delim ared a valid InsetMathBig.
1292 // We can't use cur.macroModeClose() because
1293 // it does not handle delim.
1294 InsetMathUnknown * p = cur.activeMacro();
1297 cur.cell().erase(cur.pos());
1298 cur.plainInsert(MathAtom(
1299 new InsetMathBig(name.substr(1), delim)));
1304 // leave macro mode and try again if necessary
1305 cur.macroModeClose();
1307 cur.niceInsert(MathAtom(new InsetMathBrace));
1309 interpretChar(cur, c);
1313 // This is annoying as one has to press <space> far too often.
1317 // leave autocorrect mode if necessary
1318 if (autocorrect() && c == ' ') {
1319 autocorrect() = false;
1324 // just clear selection on pressing the space bar
1325 if (cur.selection() && c == ' ') {
1326 cur.selection() = false;
1333 //lyxerr << "starting with macro" << endl;
1334 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), false)));
1339 if (currentMode() == InsetMath::TEXT_MODE)
1345 if (currentMode() == InsetMath::TEXT_MODE) {
1346 // insert spaces in text mode,
1347 // but suppress direct insertion of two spaces in a row
1348 // the still allows typing '<space>a<space>' and deleting the 'a', but
1349 // it is better than nothing...
1350 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
1352 // FIXME: we have to enable full redraw here because of the
1353 // visual box corners that define the inset. If we know for
1354 // sure that we stay within the same cell we can optimize for
1356 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1360 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1361 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1362 // FIXME: we have to enable full redraw here because of the
1363 // visual box corners that define the inset. If we know for
1364 // sure that we stay within the same cell we can optimize for
1366 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1370 if (cur.popRight()) {
1371 // FIXME: we have to enable full redraw here because of the
1372 // visual box corners that define the inset. If we know for
1373 // sure that we stay within the same cell we can optimize for
1375 //cur.updateFlags(Update::FitCursor);
1379 // if we are at the very end, leave the formula
1380 return cur.pos() != cur.lastpos();
1383 // These shouldn't work in text mode:
1384 if (currentMode() != InsetMath::TEXT_MODE) {
1386 script(cur, false, save_selection);
1390 script(cur, true, save_selection);
1394 cur.niceInsert(createInsetMath("sim"));
1399 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1400 c == '%' || c == '_' || c == '^') {
1401 cur.niceInsert(createInsetMath(docstring(1, c)));
1406 // try auto-correction
1407 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1410 // no special circumstances, so insert the character without any fuss
1412 cur.autocorrect() = true;
1417 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1419 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1421 if (!cur.empty() && cur.pos() > 0 &&
1422 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1423 if (InsetMathBig::isBigInsetDelim(str)) {
1424 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1425 if (prev[0] == '\\') {
1426 prev = prev.substr(1);
1427 latexkeys const * l = in_word_set(prev);
1428 if (l && l->inset == "big") {
1429 cur.cell()[cur.pos() - 1] =
1430 MathAtom(new InsetMathBig(prev, str));
1440 bool InsetMathNest::script(Cursor & cur, bool up,
1441 docstring const & save_selection)
1443 // Hack to get \^ and \_ working
1444 //lyxerr << "handling script: up: " << up << endl;
1445 if (cur.inMacroMode() && cur.macroName() == "\\") {
1447 cur.niceInsert(createInsetMath("mathcircumflex"));
1449 interpretChar(cur, '_');
1453 cur.macroModeClose();
1454 if (asScriptInset() && cur.idx() == 0) {
1455 // we are in a nucleus of a script inset, move to _our_ script
1456 InsetMathScript * inset = asScriptInset();
1457 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1459 cur.idx() = inset->idxOfScript(up);
1461 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1463 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1466 cur.idx() = inset->idxOfScript(up);
1467 cur.pos() = cur.lastpos();
1469 // convert the thing to our left to a scriptinset or create a new
1470 // one if in the very first position of the array
1471 if (cur.pos() == 0) {
1472 //lyxerr << "new scriptinset" << endl;
1473 cur.insert(new InsetMathScript(up));
1475 //lyxerr << "converting prev atom " << endl;
1476 cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
1479 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1480 // See comment in MathParser.cpp for special handling of {}-bases
1486 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1487 cur.niceInsert(save_selection);
1489 //lyxerr << "inserting selection 2:\n" << save_selection << endl;